HTGR Knowledge Base

Conference Article: Efficiency of inherent protection mechanisms for an improved HTR safety concept

Petersen, K.; Buescher, R.; Gerwin, H.; Schenk, W. (Kernforschungsanlage Juelich G.m.b.H. (Germany, F.R.). Inst. fuer Reaktorentwicklung)

Abstract

For a preliminary design of a 350 MWsub(th) annular core derived from AVR-reactor the efficiency of inherent protection mechanisms is discussed. After-heat removal and auto-shut down potential are demonstrated for intact and complete failure of core heat sinks.

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key words: after-heat removal; avr reactor; fission product release; reactor accidents; reactor cooling systems; reactor cores; reactor licensing; reactor protection systems; reactor safety; reactor shutdown; specifications; stability; temperature dependence; transients; accidents; cooling systems; enriched uranium reactors; gas cooled reactors; graphite moderated reactors; helium cooled reactors; homogeneous reactors; htgr type reactors; licensing; pebble bed reactors; power reactors; reactor components; reactors; safety; solid homogeneous reactors; thermal reactors; thorium reactors
Reference:
International Atomic Energy Agency, Vienna (Austria). International Working Group on Gas-Cooled Reactors. Specialists meeting on gas-cooled reactor safety and licensing aspects, Lausanne, Switzerland, 1-3 September 1980. Summary report. Jan 1981
International Atomic Energy Agency, Vienna (Austria). International Working Group on High-Temperature Reactors.
IWGGCR--1, pp:87-95